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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.camera.ui;
     18 
     19 import static com.android.camera.ui.GLRootView.dpToPixel;
     20 import android.content.Context;
     21 import android.graphics.Color;
     22 import android.graphics.Rect;
     23 
     24 import javax.microedition.khronos.opengles.GL11;
     25 
     26 class RestoreSettingsItem extends GLView {
     27     private static final int FONT_COLOR = Color.WHITE;
     28     private static final float FONT_SIZE = 18;
     29 
     30     private static final int LEFT_PADDING = 20;
     31     private static final int RIGHT_PADDING = 4;
     32     private static final int TOP_PADDING = 2;
     33     private static final int BOTTOM_PADDING = 2;
     34 
     35     private static int sLeftPadding = -1;
     36     private static int sRightPadding;
     37     private static int sTopPadding;
     38     private static int sBottomPadding;
     39     private static float sFontSize;
     40 
     41     private final StringTexture mText;
     42 
     43     private static void initializeStaticVariables(Context context) {
     44         if (sLeftPadding >= 0) return;
     45 
     46         sLeftPadding = dpToPixel(context, LEFT_PADDING);
     47         sRightPadding = dpToPixel(context, RIGHT_PADDING);
     48         sTopPadding = dpToPixel(context, TOP_PADDING);
     49         sBottomPadding = dpToPixel(context, BOTTOM_PADDING);
     50         sFontSize = dpToPixel(context, FONT_SIZE);
     51     }
     52 
     53     public RestoreSettingsItem(Context context, String title) {
     54         initializeStaticVariables(context);
     55         mText = StringTexture.newInstance(title, sFontSize, FONT_COLOR);
     56         setPaddings(sLeftPadding, sTopPadding, sRightPadding, sBottomPadding);
     57     }
     58 
     59     @Override
     60     protected void onMeasure(int widthSpec, int heightSpec) {
     61         new MeasureHelper(this)
     62                 .setPreferredContentSize(mText.getWidth(), mText.getHeight())
     63                 .measure(widthSpec, heightSpec);
     64     }
     65 
     66     @Override
     67     protected void render(GLRootView root, GL11 gl) {
     68         Rect p = mPaddings;
     69         int height = getHeight() - p.top - p.bottom;
     70 
     71         StringTexture title = mText;
     72         //TODO: cut the text if it is too long
     73         title.draw(root, p.left, p.top + (height - title.getHeight()) / 2);
     74     }
     75 }
     76